Yes, globals can exist independently without any association with SQL tables or classes, and in such situations, they wouldn't be accessible via SQL. Globals are a unique storage structure in InterSystems IRIS, serving as persistent multidimensional sparse arrays. These can be directly manipulated with ObjectScript or other programming languages compatible with IRIS, allowing the creation of custom data structures not adhering to relational or object models. Without SQL integration or object class mapping, such globals are strictly managed at the global level [1][2].
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